Datasheet > BC2502C

BC2502C

更新时间： 2024-03-03 10:09:55

品牌	Logo	应用领域
台湾合泰/盛群 - HOLTEK		/
页数	文件大小	规格书
15页	596K
描述
Sub-1GHz Low-IF OOK/FSK RF Receiver

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BC2502C 数据手册

BC2502C/BC2502D

Sub-1GHz Low-IF OOK/FSK RF Receiver

Features

General Description

• Frequency bands

The BC2502x receiver devices adopt a fully-integrated,

low-IF OOK/FSK receiver with an automatic gain

control (AGC) function and a fully-integrated

OOK/FSK demodulator. The synthesizer is formed by

an integrated VCO and a fractional-N PLL to support

the 315, 433, 868, and 915MHz frequency bands.

The devices only require a crystal and a minimum

number of passive components to fully implement an

OOK/FSK receiver. With this high level of functional

integration, these devices provide excellent solutions

for low-cost, low power wireless applications.

♦

BC2502C: 315MHz, 433MHz

♦

BC2502D: 315MHz, 433MHz,

868MHz, 915MHz

• Operating voltage range: 2.4V~5.5V

• 0.5µA deep sleep current with data retention

• Low RX current

♦

4.5mA @ 433MHz

♦

5.8mA @ 868MHz

• Supports OOK/FSK modulation

The devices achieve -112dBm sensitivity for the

433.92MHz bands. They operate from a supply

voltage of 2.4V to 5.5V and typically require 4.5mA

at 433.92MHz. There are two operation modes, one of

which is the Auto RX mode. By properly setting certain

PCB wirings, they can directly enter the RX mode. The

devices also support a sniff RX mode, where the on/

oﬀ RX mode function can be controlled by an MCU to

achieve a lower than average power consumption using

duty RX mode operation.

♦

OOK support up to 40ksps symbol rate

♦

FSK support up to 50ksps symbol rate

• Good reception sensitivity under 0.1% BER

(BW=93.6k)

♦

-110dBm@25kbps, 433MHz, OOK

♦

-107dBm@25kbps, 433MHz, FSK

♦

-108dBm@25kbps, 868MHz, OOK

♦

-104dBm@25kbps, 868MHz, FSK

The BC2502 series oﬀers two types of ICs. One is the

BC2502C which covers the 315 and 433MHz bands

while the BC2502D oﬀers a choice of four frequency

bands.

• Wide RF input power range: from sensitivity to

+10dBm

• Support 2-wire I²C interface for operation

conﬁguration

• On-chip VCO and Fractional-N synthesizer with

integrated loop ﬁlter

Selection Table

• Supports low cost 16MHz crystal

• FCC/ETSI Compliant

Part Number

BC2502C

Frequency Band

315MHz, 433MHz

• Package type: 10-pin SOP-EP

BC2502D

315MHz, 433MHz, 868MHz, 915MHz

Applications

• Iron rolling doors

• Ceiling lamps

• Wireless switches

• Drying racks

• Wireless doorbells

• Integrated ceilings

• Other wireless products

Rev. 1.00

October 16 2023

12 3 4 5 6 7...15

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